Universal Licensing System
WPKZ239
SOO SYSTEM RADIO COMMUNICATIONS CORPORATION
License details
| ULS identifier | 1785640 |
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| Call sign | WPKZ239 |
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| Radio service | LN |
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| Status | A |
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| Grant date | 2022-09-12 |
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| Expiration | 2032-10-14 |
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| Frequency range | 911.5 - 913.1 MHz (3 frequencies) |
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| Locations | 1 |
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| Representative location | SUPERIOR, DOUGLAS, WI |
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| Coordinates | 46.6811667, -92.0854722 |
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| Source archive | l_LMcomm.zip |
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| Dataset refreshed | 2026-08-02 00:43:33 |
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Licensee
| Name | SOO SYSTEM RADIO COMMUNICATIONS CORPORATION |
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| Applicant type | C |
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| FRN | 0002606689 |
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| Location | Minneapolis, MN |
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| Address | 5th Floor - 120 South 6th Street, Minneapolis, MN, 55402 |
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| Phone | 6128515696 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | LR | 911.50000000 | | | 2.000000 | 26.000000 | |
| 2 | 1 | LR | 911.50000000 | | | 2.000000 | 26.000000 | |
| 4 | 1 | LR | 911.50000000 | | | 2.000000 | 14.000000 | |
| 4 | 1 | LR | 913.00000000 | | | 2.000000 | 14.000000 | |
| 1 | 1 | LR | 913.10000000 | | | 2.000000 | 26.000000 | |
| 2 | 1 | LR | 913.10000000 | | | 2.000000 | 26.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 911.50000000 | | 20K0N0N |
| 2 | 1 | 911.50000000 | | 20K0N0N |
| 4 | 1 | 911.50000000 | | 20K0N0N |
| 4 | 1 | 913.00000000 | | 20K0N0N |
| 1 | 1 | 913.10000000 | | 20K0N0N |
| 2 | 1 | 913.10000000 | | 20K0N0N |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | DULUTH SUB. MI 287.6, DULUTH, ST. LOUIS, MN | 46.75894444, -92.10588889 | 184.100 m | POLE | 3.000 m structure / 3.000 m overall | N |
| 2 | T | DULUTH SUB. MI 281.8 AEI STINSON YD SOUTH, SUPERIOR, DOUGLAS, WI | 46.68116667, -92.08547222 | 204.000 m | POLE | 3.000 m structure / 3.000 m overall | N |
| 4 | T | SUPERIOR SUB. MI 284 AEI NORTH SUPERIOR YD, Superior, DOUGLAS, WI | 46.70591667, -92.08216667 | 204.600 m | MAST | 3.000 m structure / 3.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 2.000 m | V | 9.5000 | | -79.100 | |
| 1 | 2 | T | | 2.000 m | V | 9.5000 | | -10.800 | |
| 1 | 4 | T | | 2.000 m | V | 9.5000 | 360.0000 | -18.000 | |
Control points
| Number | Address | County | Phone |
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| 2 | 120 SOUTH 6TH STREET, MINNEAPOLIS, MN | HENNEPIN | 6129046093 |
License history
| Date | File or call sign | Action |
|---|
| 2022-09-12 | WPKZ239 | LIREN |
| 2022-07-18 | WPKZ239 | LETRES |
| 2022-02-14 | WPKZ239 | LIMOD |
| 2020-10-29 | WPKZ239 | LIAUA |
| 2018-02-14 | WPKZ239 | LIAUA |
| 2017-02-02 | WPKZ239 | LIAUA |
| 2013-05-25 | WPKZ239 | LIAUA |
| 2013-05-24 | WPKZ239 | ESUAPR |
| 2013-01-09 | WPKZ239 | LIREN |
| 2012-07-23 | WPKZ239 | LETRES |
| 2004-09-14 | WPKZ239 | LIAUA |
| 2004-09-13 | WPKZ239 | ESUAPR |
| 2002-08-26 | WPKZ239 | LETCNS |
| 2002-08-13 | WPKZ239 | LIREN |
| 2002-07-22 | WPKZ239 | LETRES |
| 2001-11-28 | WPKZ239 | LIMOD |
| 2001-01-13 | WPKZ239 | LIAUA |
| 2000-11-23 | WPKZ239 | LICCNV |
| 1998-04-23 | WPKZ239 | LIMOD |
| 1998-04-23 | WPKZ239 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1785640 | 2026-08-02 00:43:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPKZ239 | ULS 1785640 | 2026-08-02 00:43:33 |
| Status | A | ULS 1785640 | 2026-08-02 00:43:33 |
| Service | LN | ULS 1785640 | 2026-08-02 00:43:33 |
| Grant Date | 2022-09-12 | ULS 1785640 | 2026-08-02 00:43:33 |
| Expiration Date | 2032-10-14 | ULS 1785640 | 2026-08-02 00:43:33 |